angel's vocab puzzle

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Across
  1. 2. angle that measures 90 degrees
  2. 3. the vertical number line
  3. 7. a triangle that has three acute angles
  4. 9. the side opposite the right angle in a right triangle
  5. 10. a term without a variable
Down
  1. 1. the two sides of a right triangle that form a right angle
  2. 4. the horizontal number line
  3. 5. a ratio that compares a number to 100
  4. 6. the rate change between any two point on a line
  5. 8. the point of intersection of the x axis and the y axis in a coordinate plane